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Ferroelectric switching of a two-dimensional metal
Zaiyao Fei, Wenjin Zhao, Tauno A. Palomaki +6
A ferroelectric is a material with a polar structure whose polarity can be reversed by applying an electric field. In metals, the itinerant electrons tend to screen electrostatic f…
Signatures of moiré-trapped valley excitons in MoSe/WSe heterobilayers
Kyle L. Seyler, Pasqual Rivera, Hongyi Yu +6
The creation of moiré patterns in crystalline solids is a powerful approach to manipulate their electronic properties, which are fundamentally influenced by periodic potential land…
Single Crystal High Entropy Perovskite Oxide Epitaxial Films
Yogesh Sharma, Brianna L. Musico, Xiang Gao +10
The first examples of single crystal epitaxial thin films of a high entropy perovskite oxide are synthesized. Pulsed laser deposition is used to grow the configurationally disorder…
Field evolution of magnons in -RuCl by high-resolution polarized terahertz spectroscopy
Liang Wu, Arielle Little, Erik E. Aldape +13
The Kitaev quantum spin liquid (KSL) is a theoretically predicted state of matter whose fractionalized quasiparticles are distinct from bosonic magnons, the fundamental excitation…
Surface Superconductivity in the type II Weyl Semimetal TaIrTe4
Ying Xing, Zhibin Shao, Jun Ge +12
The search for unconventional superconductivity in Weyl semimetal materials is currently an exciting pursuit, since such superconducting phases could potentially be topologically n…
Antisite pairs suppress the thermal conductivity of BAs
Qiang Zheng, Carlos A. Polanco, Mao-Hua Du +4
BAs was predicted to have an unusually high thermal conductivity at room temperature of 2000WmK, comparable to that of diamond. However, the experimentally me…